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<a href="#pub-methods">Public Member Functions</a> &#124;
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<p><code>#include &lt;<a class="el" href="PxVehicleComponents_8h_source.html">PxVehicleComponents.h</a>&gt;</code></p>
<table class="memberdecls">
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Public Member Functions</h2></td></tr>
<tr class="memitem:a4f7cde0fb3943e130fe35a786f649d1d"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPxVehicleTireData.html#a4f7cde0fb3943e130fe35a786f649d1d">PxVehicleTireData</a> ()</td></tr>
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<tr class="memitem:ab81577d40669f44d1a934ec4bcbda872"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__foundation.html#ga6a774eed3cad34b0f636332a3d28c6bb">PX_FORCE_INLINE</a> PxReal&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPxVehicleTireData.html#ab81577d40669f44d1a934ec4bcbda872">getRecipLongitudinalStiffnessPerUnitGravity</a> () const</td></tr>
<tr class="memdesc:ab81577d40669f44d1a934ec4bcbda872"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return Cached value of 1.0/mLongitudinalStiffnessPerUnitGravity.  <a href="#ab81577d40669f44d1a934ec4bcbda872">More...</a><br /></td></tr>
<tr class="separator:ab81577d40669f44d1a934ec4bcbda872"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6fd5024ec03c9d047c368049d7cf2b75"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__foundation.html#ga6a774eed3cad34b0f636332a3d28c6bb">PX_FORCE_INLINE</a> PxReal&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPxVehicleTireData.html#a6fd5024ec03c9d047c368049d7cf2b75">getFrictionVsSlipGraphRecipx1Minusx0</a> () const</td></tr>
<tr class="memdesc:a6fd5024ec03c9d047c368049d7cf2b75"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return Cached value of 1.0f/(mFrictionVsSlipGraph[1][0]-mFrictionVsSlipGraph[0][0])  <a href="#a6fd5024ec03c9d047c368049d7cf2b75">More...</a><br /></td></tr>
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<tr class="memitem:a3dafe09ff7d11d1be8d7f8771d0b5416"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__foundation.html#ga6a774eed3cad34b0f636332a3d28c6bb">PX_FORCE_INLINE</a> PxReal&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPxVehicleTireData.html#a3dafe09ff7d11d1be8d7f8771d0b5416">getFrictionVsSlipGraphRecipx2Minusx1</a> () const</td></tr>
<tr class="memdesc:a3dafe09ff7d11d1be8d7f8771d0b5416"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return Cached value of 1.0f/(mFrictionVsSlipGraph[2][0]-mFrictionVsSlipGraph[1][0])  <a href="#a3dafe09ff7d11d1be8d7f8771d0b5416">More...</a><br /></td></tr>
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Public Attributes</h2></td></tr>
<tr class="memitem:ad52ba7c872280fd9a52e728a052fc7ff"><td class="memItemLeft" align="right" valign="top">PxReal&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPxVehicleTireData.html#ad52ba7c872280fd9a52e728a052fc7ff">mLatStiffX</a></td></tr>
<tr class="memdesc:ad52ba7c872280fd9a52e728a052fc7ff"><td class="mdescLeft">&#160;</td><td class="mdescRight">Tire lateral stiffness is a graph of tire load that has linear behavior near zero load and flattens at large loads. mLatStiffX describes the minimum normalized load (load/restLoad) that gives a flat lateral stiffness response to load.  <a href="#ad52ba7c872280fd9a52e728a052fc7ff">More...</a><br /></td></tr>
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<tr class="memitem:ad2fa139cdff425babbf332384478a857"><td class="memItemLeft" align="right" valign="top">PxReal&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPxVehicleTireData.html#ad2fa139cdff425babbf332384478a857">mLatStiffY</a></td></tr>
<tr class="memdesc:ad2fa139cdff425babbf332384478a857"><td class="mdescLeft">&#160;</td><td class="mdescRight">Tire lateral stiffness is a graph of tire load that has linear behavior near zero load and flattens at large loads. mLatStiffY describes the maximum possible value of lateralStiffness/restLoad that occurs when (load/restLoad)&gt;= mLatStiffX.  <a href="#ad2fa139cdff425babbf332384478a857">More...</a><br /></td></tr>
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<tr class="memitem:a92083c9b5fbf957e4d4c54ab566b5457"><td class="memItemLeft" align="right" valign="top">PxReal&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPxVehicleTireData.html#a92083c9b5fbf957e4d4c54ab566b5457">mLongitudinalStiffnessPerUnitGravity</a></td></tr>
<tr class="memdesc:a92083c9b5fbf957e4d4c54ab566b5457"><td class="mdescLeft">&#160;</td><td class="mdescRight">Tire Longitudinal stiffness per unit gravitational acceleration.  <a href="#a92083c9b5fbf957e4d4c54ab566b5457">More...</a><br /></td></tr>
<tr class="separator:a92083c9b5fbf957e4d4c54ab566b5457"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad279199240b57e9d20ad48a610ffa4b4"><td class="memItemLeft" align="right" valign="top">PxReal&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPxVehicleTireData.html#ad279199240b57e9d20ad48a610ffa4b4">mCamberStiffnessPerUnitGravity</a></td></tr>
<tr class="memdesc:ad279199240b57e9d20ad48a610ffa4b4"><td class="mdescLeft">&#160;</td><td class="mdescRight">tire Tire camber stiffness per unity gravitational acceleration.  <a href="#ad279199240b57e9d20ad48a610ffa4b4">More...</a><br /></td></tr>
<tr class="separator:ad279199240b57e9d20ad48a610ffa4b4"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aab2bbd4b293db8fb9b94f310a59176a2"><td class="memItemLeft" align="right" valign="top">PxReal&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPxVehicleTireData.html#aab2bbd4b293db8fb9b94f310a59176a2">mFrictionVsSlipGraph</a> [3][2]</td></tr>
<tr class="memdesc:aab2bbd4b293db8fb9b94f310a59176a2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Graph of friction vs longitudinal slip with 3 points.  <a href="#aab2bbd4b293db8fb9b94f310a59176a2">More...</a><br /></td></tr>
<tr class="separator:aab2bbd4b293db8fb9b94f310a59176a2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8a9469d1683718ba3e5a2d2632dd9218"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__foundation.html#gacce5749db3dcfb916e98c253374264ed">PxU32</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPxVehicleTireData.html#a8a9469d1683718ba3e5a2d2632dd9218">mType</a></td></tr>
<tr class="memdesc:a8a9469d1683718ba3e5a2d2632dd9218"><td class="mdescLeft">&#160;</td><td class="mdescRight">Tire type denoting slicks, wets, snow, winter, summer, all-terrain, mud etc.  <a href="#a8a9469d1683718ba3e5a2d2632dd9218">More...</a><br /></td></tr>
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Private Member Functions</h2></td></tr>
<tr class="memitem:aa74f710b8616b6d70d27f3f62b23c20b"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPxVehicleTireData.html#aa74f710b8616b6d70d27f3f62b23c20b">isValid</a> () const</td></tr>
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Private Attributes</h2></td></tr>
<tr class="memitem:a8b459e357483c7ee86304cc1280c2d2d"><td class="memItemLeft" align="right" valign="top">PxReal&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPxVehicleTireData.html#a8b459e357483c7ee86304cc1280c2d2d">mRecipLongitudinalStiffnessPerUnitGravity</a></td></tr>
<tr class="memdesc:a8b459e357483c7ee86304cc1280c2d2d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Cached value of 1.0/mLongitudinalStiffnessPerUnitGravity.  <a href="#a8b459e357483c7ee86304cc1280c2d2d">More...</a><br /></td></tr>
<tr class="separator:a8b459e357483c7ee86304cc1280c2d2d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a72bc73620f4d6265cf51869439574d3c"><td class="memItemLeft" align="right" valign="top">PxReal&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPxVehicleTireData.html#a72bc73620f4d6265cf51869439574d3c">mFrictionVsSlipGraphRecipx1Minusx0</a></td></tr>
<tr class="memdesc:a72bc73620f4d6265cf51869439574d3c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Cached value of 1.0f/(mFrictionVsSlipGraph[1][0]-mFrictionVsSlipGraph[0][0])  <a href="#a72bc73620f4d6265cf51869439574d3c">More...</a><br /></td></tr>
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<tr class="memitem:a5a2f35b2a0e3e225e13c62f6d4c588d6"><td class="memItemLeft" align="right" valign="top">PxReal&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPxVehicleTireData.html#a5a2f35b2a0e3e225e13c62f6d4c588d6">mFrictionVsSlipGraphRecipx2Minusx1</a></td></tr>
<tr class="memdesc:a5a2f35b2a0e3e225e13c62f6d4c588d6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Cached value of 1.0f/(mFrictionVsSlipGraph[2][0]-mFrictionVsSlipGraph[1][0])  <a href="#a5a2f35b2a0e3e225e13c62f6d4c588d6">More...</a><br /></td></tr>
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<tr class="memitem:a0b498753b7cf6afa6f0d507413dcb629"><td class="memItemLeft" align="right" valign="top">PxReal&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPxVehicleTireData.html#a0b498753b7cf6afa6f0d507413dcb629">mPad</a> [2]</td></tr>
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Friends</h2></td></tr>
<tr class="memitem:a4c2a2bf5a268389976a6f3c6ffeb1806"><td class="memItemLeft" align="right" valign="top">class&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPxVehicleTireData.html#a4c2a2bf5a268389976a6f3c6ffeb1806">PxVehicleWheels4SimData</a></td></tr>
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<h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a4f7cde0fb3943e130fe35a786f649d1d">&#9670;&nbsp;</a></span>PxVehicleTireData()</h2>

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<h2 class="memtitle"><span class="permalink"><a href="#a6fd5024ec03c9d047c368049d7cf2b75">&#9670;&nbsp;</a></span>getFrictionVsSlipGraphRecipx1Minusx0()</h2>

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          <td class="memname"><a class="el" href="group__foundation.html#ga6a774eed3cad34b0f636332a3d28c6bb">PX_FORCE_INLINE</a> PxReal PxVehicleTireData::getFrictionVsSlipGraphRecipx1Minusx0 </td>
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<p>Return Cached value of 1.0f/(mFrictionVsSlipGraph[1][0]-mFrictionVsSlipGraph[0][0]) </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classPxVehicleWheelsSimData.html#acfc01818dd853e393bf3d9ea4370441c" title="Set the tire data of the idth wheel. ">PxVehicleWheelsSimData::setTireData</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a3dafe09ff7d11d1be8d7f8771d0b5416">&#9670;&nbsp;</a></span>getFrictionVsSlipGraphRecipx2Minusx1()</h2>

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<p>Return Cached value of 1.0f/(mFrictionVsSlipGraph[2][0]-mFrictionVsSlipGraph[1][0]) </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classPxVehicleWheelsSimData.html#acfc01818dd853e393bf3d9ea4370441c" title="Set the tire data of the idth wheel. ">PxVehicleWheelsSimData::setTireData</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ab81577d40669f44d1a934ec4bcbda872">&#9670;&nbsp;</a></span>getRecipLongitudinalStiffnessPerUnitGravity()</h2>

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<p>Return Cached value of 1.0/mLongitudinalStiffnessPerUnitGravity. </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classPxVehicleWheelsSimData.html#acfc01818dd853e393bf3d9ea4370441c" title="Set the tire data of the idth wheel. ">PxVehicleWheelsSimData::setTireData</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#aa74f710b8616b6d70d27f3f62b23c20b">&#9670;&nbsp;</a></span>isValid()</h2>

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<h2 class="memtitle"><span class="permalink"><a href="#a4c2a2bf5a268389976a6f3c6ffeb1806">&#9670;&nbsp;</a></span>PxVehicleWheels4SimData</h2>

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<h2 class="memtitle"><span class="permalink"><a href="#ad279199240b57e9d20ad48a610ffa4b4">&#9670;&nbsp;</a></span>mCamberStiffnessPerUnitGravity</h2>

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<p>tire Tire camber stiffness per unity gravitational acceleration. </p>
<dl class="section note"><dt>Note</dt><dd>Camber stiffness of the tire is calculated as gravitationalAcceleration*mCamberStiffnessPerUnitGravity</dd>
<dd>
Camber force can be approximated as gravitationalAcceleration*mCamberStiffnessPerUnitGravity*camberAngle.</dd>
<dd>
Specified in kilograms per radian.</dd></dl>
<p><b>Range:</b> [0, PX_MAX_F32)<br />
 </p>

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<h2 class="memtitle"><span class="permalink"><a href="#aab2bbd4b293db8fb9b94f310a59176a2">&#9670;&nbsp;</a></span>mFrictionVsSlipGraph</h2>

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<p>Graph of friction vs longitudinal slip with 3 points. </p>
<dl class="section note"><dt>Note</dt><dd>mFrictionVsSlipGraph[0][0] is always zero.</dd>
<dd>
mFrictionVsSlipGraph[0][1] is the friction available at zero longitudinal slip.</dd>
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mFrictionVsSlipGraph[1][0] is the value of longitudinal slip with maximum friction.</dd>
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mFrictionVsSlipGraph[1][1] is the maximum friction.</dd>
<dd>
mFrictionVsSlipGraph[2][0] is the end point of the graph.</dd>
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mFrictionVsSlipGraph[2][1] is the value of friction for slips greater than mFrictionVsSlipGraph[2][0].</dd>
<dd>
The friction value computed from the friction vs longitudinal slip graph is used to scale the friction value for the combination of material and tire type (<a class="el" href="classPxVehicleDrivableSurfaceToTireFrictionPairs.html" title="Friction for each combination of driving surface type and tire type. ">PxVehicleDrivableSurfaceToTireFrictionPairs</a>).</dd>
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mFrictionVsSlipGraph[2][0] &gt; mFrictionVsSlipGraph[1][0] &gt; mFrictionVsSlipGraph[0][0]</dd>
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mFrictionVsSlipGraph[1][1] is typically greater than mFrictionVsSlipGraph[0][1]</dd>
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mFrictionVsSlipGraph[2][1] is typically smaller than mFrictionVsSlipGraph[1][1]</dd>
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longitudinal slips &gt; mFrictionVsSlipGraph[2][0] use friction multiplier mFrictionVsSlipGraph[2][1]</dd>
<dd>
The final friction value used by the tire model is the value returned by <a class="el" href="classPxVehicleDrivableSurfaceToTireFrictionPairs.html" title="Friction for each combination of driving surface type and tire type. ">PxVehicleDrivableSurfaceToTireFrictionPairs</a> multiplied by the value computed from mFrictionVsSlipGraph.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classPxVehicleDrivableSurfaceToTireFrictionPairs.html" title="Friction for each combination of driving surface type and tire type. ">PxVehicleDrivableSurfaceToTireFrictionPairs</a>, <a class="el" href="group__vehicle.html#ga2b7b927dd3d949d50a3f42c695264f43" title="Prototype of shader function that is used to compute wheel torque and tire forces. ">PxVehicleComputeTireForce</a></dd></dl>
<p><b>Range:</b> [0, PX_MAX_F32)<br />
 </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a72bc73620f4d6265cf51869439574d3c">&#9670;&nbsp;</a></span>mFrictionVsSlipGraphRecipx1Minusx0</h2>

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<p>Cached value of 1.0f/(mFrictionVsSlipGraph[1][0]-mFrictionVsSlipGraph[0][0]) </p>
<dl class="section note"><dt>Note</dt><dd>Not necessary to set this value because it is set by <a class="el" href="classPxVehicleWheelsSimData.html#acfc01818dd853e393bf3d9ea4370441c" title="Set the tire data of the idth wheel. ">PxVehicleWheelsSimData::setTireData</a></dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classPxVehicleWheelsSimData.html#acfc01818dd853e393bf3d9ea4370441c" title="Set the tire data of the idth wheel. ">PxVehicleWheelsSimData::setTireData</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a5a2f35b2a0e3e225e13c62f6d4c588d6">&#9670;&nbsp;</a></span>mFrictionVsSlipGraphRecipx2Minusx1</h2>

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<p>Cached value of 1.0f/(mFrictionVsSlipGraph[2][0]-mFrictionVsSlipGraph[1][0]) </p>
<dl class="section note"><dt>Note</dt><dd>Not necessary to set this value because it is set by <a class="el" href="classPxVehicleWheelsSimData.html#acfc01818dd853e393bf3d9ea4370441c" title="Set the tire data of the idth wheel. ">PxVehicleWheelsSimData::setTireData</a></dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classPxVehicleWheelsSimData.html#acfc01818dd853e393bf3d9ea4370441c" title="Set the tire data of the idth wheel. ">PxVehicleWheelsSimData::setTireData</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ad52ba7c872280fd9a52e728a052fc7ff">&#9670;&nbsp;</a></span>mLatStiffX</h2>

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<p>Tire lateral stiffness is a graph of tire load that has linear behavior near zero load and flattens at large loads. mLatStiffX describes the minimum normalized load (load/restLoad) that gives a flat lateral stiffness response to load. </p>
<p><b>Range:</b> [0, PX_MAX_F32)<br />
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<h2 class="memtitle"><span class="permalink"><a href="#ad2fa139cdff425babbf332384478a857">&#9670;&nbsp;</a></span>mLatStiffY</h2>

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<p>Tire lateral stiffness is a graph of tire load that has linear behavior near zero load and flattens at large loads. mLatStiffY describes the maximum possible value of lateralStiffness/restLoad that occurs when (load/restLoad)&gt;= mLatStiffX. </p>
<dl class="section note"><dt>Note</dt><dd>If load/restLoad is greater than mLatStiffX then the lateral stiffness is mLatStiffY*restLoad.</dd>
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If load/restLoad is less than mLatStiffX then the lateral stiffness is mLastStiffY*(load/mLatStiffX)</dd>
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Lateral force can be approximated as lateralStiffness * lateralSlip.</dd>
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Specified in per radian.</dd></dl>
<p><b>Range:</b> [0, PX_MAX_F32)<br />
 </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a92083c9b5fbf957e4d4c54ab566b5457">&#9670;&nbsp;</a></span>mLongitudinalStiffnessPerUnitGravity</h2>

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<p>Tire Longitudinal stiffness per unit gravitational acceleration. </p>
<dl class="section note"><dt>Note</dt><dd>Longitudinal stiffness of the tire is calculated as gravitationalAcceleration*mLongitudinalStiffnessPerUnitGravity.</dd>
<dd>
Longitudinal force can be approximated as gravitationalAcceleration*mLongitudinalStiffnessPerUnitGravity*longitudinalSlip.</dd>
<dd>
Specified in kilograms per radian.</dd></dl>
<p><b>Range:</b> [0, PX_MAX_F32)<br />
 </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a0b498753b7cf6afa6f0d507413dcb629">&#9670;&nbsp;</a></span>mPad</h2>

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<h2 class="memtitle"><span class="permalink"><a href="#a8b459e357483c7ee86304cc1280c2d2d">&#9670;&nbsp;</a></span>mRecipLongitudinalStiffnessPerUnitGravity</h2>

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<p>Cached value of 1.0/mLongitudinalStiffnessPerUnitGravity. </p>
<dl class="section note"><dt>Note</dt><dd>Not necessary to set this value because it is set by <a class="el" href="classPxVehicleWheelsSimData.html#acfc01818dd853e393bf3d9ea4370441c" title="Set the tire data of the idth wheel. ">PxVehicleWheelsSimData::setTireData</a></dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classPxVehicleWheelsSimData.html#acfc01818dd853e393bf3d9ea4370441c" title="Set the tire data of the idth wheel. ">PxVehicleWheelsSimData::setTireData</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a8a9469d1683718ba3e5a2d2632dd9218">&#9670;&nbsp;</a></span>mType</h2>

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<p>Tire type denoting slicks, wets, snow, winter, summer, all-terrain, mud etc. </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classPxVehicleDrivableSurfaceToTireFrictionPairs.html" title="Friction for each combination of driving surface type and tire type. ">PxVehicleDrivableSurfaceToTireFrictionPairs</a></dd></dl>
<p><b>Range:</b> [0, PX_MAX_F32)<br />
 </p>

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